ChemistryMediumHigh School (11–12)Chemical Kinetics › Rate of Reaction, Rate Law and OrderBoard ExamAPA-LevelIB
Created by StemPy LabTo follow an acid-catalysed reaction, a small sample is taken at fixed times and titrated with alkali. Why is each sample first poured into iced water?
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← A mixture reacts as 3A + B → 2C. Product C appears at 0.14 mol L⁻¹ min⁻¹. How fast is B being used up?Initial rates are measured for a reaction of A and B. Run 1: [A] = 0.13 mol/L, [B] = 0.19 mol/L, rate 4.6 × 10⁻⁵ mol L⁻¹ s⁻¹. Run 2: [A] = 0.39 mol/L, [B] = 0.19 mol/L, rate 1.38 × 10⁻⁴ mol L⁻¹ s⁻¹. Run 3: [A] = 0.39 mol/L, [B] = 0.57 mol/L, rate 1.242 × 10⁻³ mol L⁻¹ s⁻¹. What is the rate law? →
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